Find the Nth Term of the Geometric Sequence $- 8 , - 16 , - 32 , - 64 , - 128$

question 19

Multiple Choice

Find the nth term of the geometric sequence.
- $- 8 , - 16 , - 32 , - 64 , - 128$

• A) \(a _ { n } = - 8 \cdot 2 ^ { n }\)
• B) \(a _ { n } = a _ { 1 } + 2 ^ { n }\)
• C) \(a _ { n } = - 8 \cdot 2 ^ { n - 1 }\)
• D) \(a _ { n } = - 8 \cdot 2 n\)

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